CN208314040U - A kind of ammeter with harmonic measurement function - Google Patents
A kind of ammeter with harmonic measurement function Download PDFInfo
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- CN208314040U CN208314040U CN201820759698.9U CN201820759698U CN208314040U CN 208314040 U CN208314040 U CN 208314040U CN 201820759698 U CN201820759698 U CN 201820759698U CN 208314040 U CN208314040 U CN 208314040U
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Abstract
The utility model discloses a kind of ammeters with harmonic measurement function, including electric energy meter casing, electric energy meter socket, display screen, measurement module, power module, power module fixed column, fire-proof plate, pcb board card slot, pcb board buckle, heat-pipe radiator, cooling fin, power module cover board, measure room cover plate, jack, plug, lead sealing installing port and socket fixation hole, it is separated inside the electric energy meter casing by fire-proof plate, it is divided into measuring chamber and power supply room, electric energy meter socket bottom is equipped with four connection jaws, the plug is fixedly mounted on electric energy meter socket, the electric energy meter casing is slidably connected on electric energy meter socket, copper sheet and Plug contact when plug is inserted into, jack is equipped with inside the power module, mutual inductor and output end, the measurement module is microprocessor, the display screen is liquid crystal display, the fire-proof plate is anti- Electrostatic PC plate, the heat-pipe radiator are equipped with condensation end and evaporation ends, and the cooling fin is aluminum alloy material.
Description
Technical field
The utility model relates to a kind of power equipment, specifically a kind of ammeter with harmonic measurement function.
Background technique
One ideal electric system is powered with the burning voltage of single constant frequency and regulation amplitude.But it is practical
On, due to the continuous development recently as science and technology, the in the power system benefit of high-power converter and regulator
Non-linear element existing for application, the appearance of a large amount of nonlinear-loads and power supply system itself with, D.C. high voltage transmission etc.
So that the voltage waveform distortion in system is increasingly severe, very big harm is caused to electric system, such as: making in power supply system
Element loss increase, reduce service life, the interference communications system etc. of electrical equipment.Can also even equipment be made to damage when serious
It is bad, failure is automatically controlled, protective relaying maloperation is made, thus causes power outage etc. and other problems.It is so-called " know yourself as well as the enemy, hundred
War is not dangerous ", therefore, to realize the comprehensive treatment to mains by harmonics, must just make clear harmonic wave source and power grid it is various not
With the distribution situation of harmonic trend under the method for operation, with limitation and the harmonic carcellation of taking appropriate measures, so as to improve power supply system
System power supply quality and ensure the safe and economic operation of system, during routine use, there is also many failures, it is most common just
There are many reason of being burning table failure, be also exactly to show failure, causing burning table failure, but it is most be the contact of terminals not
Good, electronic electric energy meter master tool to be used is exactly pulse counter, and the common failure of pulse counter is card word, specific
Operational process in, be caused by overstocking blocked up and component ageing as dust.
Utility model content
The purpose of this utility model is to provide a kind of ammeters with harmonic measurement function, to solve above-mentioned background technique
The problem of middle proposition.
To achieve the above object, the utility model provides the following technical solutions:
A kind of ammeter with harmonic measurement function, including electric energy meter casing, electric energy meter socket, display screen, measurement module,
Power module, power module fixed column, fire-proof plate, pcb board card slot, pcb board buckle, heat-pipe radiator, cooling fin, power module cover board,
Room cover plate, jack, plug, lead sealing installing port and socket fixation hole are measured, the electric energy meter casing is flame-proof PVC material, internal
It is separated by fire-proof plate, is divided into measuring chamber and power supply room, the electric energy meter socket is flame-proof PVC material, and bottom sets that there are four wiring
Mouthful, it is followed successively by firewire entrance, firewire outlet, zero curve entrance and zero curve outlet, conducting wire and is inserted into connection jaws, it will by connecting terminal
Conducting wire is fixed, and the plug is fixedly mounted on electric energy meter socket, is cylindric copper joint, with connecing for electric energy meter socket bottom
The electrical connection of line mouth, the electric energy meter casing are slidably connected on electric energy meter socket by the sliding slot that electric energy meter socket side wall is arranged,
Plug is inserted into jack, and the jack is cylindrical cavity, and inside is equipped with copper sheet and connecting terminal, and connecting terminal is welded on copper sheet
Top, copper sheet and Plug contact when plug is inserted into, the power module inside are equipped with jack, mutual inductor and output end, pass through setting
It is fixed by bolts in electric energy meter case body in the power module fixed column of electric energy meter casing, circuit-under-test is passed to mutual inductance by jack
Device is converted by mutual inductor, and by output end input measurement module, the measurement module is microprocessor, and power module is acquired
To voltage and current handled through microprocessor, be converted into electric energy and 3-31 subharmonic voltage will be obtained and harmonic current is shown
Show on a display screen, the display screen be liquid crystal display, the fire-proof plate be antistatic PC plate, have isolation electrostatic interference and
Effect resistant to high temperature, the pcb board card slot are fixedly connected on the inside of electric energy meter casing, and side is equipped with card slot, the pcb board card
It detains the cylindrical body by being fixedly connected on electric energy meter casing and is made up of the buckle head that guide post is connect with cylindrical body, measurement module
In one end insertion card slot of pcb board, the other end is buckled by pcb board and is fixed, and the heat-pipe radiator is equipped with condensation end and evaporation
End, condensation end heat pipe extend along the side wall of electric energy meter casing, and evaporation ends are copper thermally conductive sheet, and there is heat pipe in inside, and heat pipe is by pipe
The closing copper pipe of shell, liquid-sucking core and end cap composition, copper pipe center are filled by liquid-sucking core and condensate liquid, and the cooling fin is aluminium alloy
Material is welded on the condensation end of heat-pipe radiator, and the power module cover board is flame-proof PVC material, fixed by snap to be connected to
On electric energy meter casing, the measurement room cover plate is antistatic PC plate, is connected by the sliding slot sliding being located on electric energy meter case body sidewall
It connects, is easy to remove and repair, the lead sealing installing port is located at electric energy meter casing and measures the top of room cover plate, can be incited somebody to action by lead sealing
Measurement room cover plate latching is anti-electricity-theft, and the socket fixation hole is that four be located on electric energy meter socket are used to fix with ammeter box
Bolt hole.
As a further solution of the present invention: installing heat conductive silica gel additional between the measurement module and heat-pipe radiator
Piece reduces the thermal contact resistance between measurement module and heat-pipe radiator contact surface, and heat dissipation effect is more preferable, and heat-conducting silica gel sheet can be very
The gap of good filling contact surface, has the effect of damping sound-absorbing.
It is close with gasket around measuring chamber where the measurement module as a further solution of the present invention,
Envelope reduces the dust of electronical elements surface absorption, extends device longevity, reduces failure.
Compared with prior art, the utility model has the beneficial effects that electric energy meter has the function of measuring harmonic wave, Neng Goujian
Source and the distribution situation for surveying harmonic wave, realize monitoring to mains by harmonics, to limitation and be eliminated humorous with taking appropriate measures
Wave, the cooperation of electric energy meter casing and electric energy meter socket so that installation and removal electric energy meter enhanced convenience, the measuring chamber of sealing and
So that electronic component longer life expectancy, failure rate is lower, the design of the power module and fire-proof plate of isolation drops for the heat dissipation of heat-pipe radiator
It is low because of maintenance difficulty caused by burning table failure.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the ammeter with harmonic measurement function.
Fig. 2 is the structural schematic diagram of socket in the ammeter with harmonic measurement function.
Fig. 3 is the structural schematic diagram of radiator in the ammeter with harmonic measurement function.
Fig. 4 is the structural schematic diagram of radiator side in the ammeter with harmonic measurement function.
Fig. 5 is the structural schematic diagram of power module in the ammeter with harmonic measurement function.
In figure: electric energy meter casing 1, display screen 3, pcb board 4, power module 5, power module fixed column 6, is prevented electric energy meter socket 2
Fiery plate 7, pcb board card slot 8, pcb board buckle 9, heat-pipe radiator 10, cooling fin 11, power module cover board 12, measurement room cover plate 13,
Jack 14, plug 15, lead sealing installing port 16, socket fixation hole 17.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Please refer to Fig. 1~5, in the utility model embodiment, a kind of ammeter with harmonic measurement function, including electric energy meter
Shell 1, electric energy meter socket 2, display screen 3, measurement module 4, power module 5, power module fixed column 6, fire-proof plate 7, pcb board card slot 8,
Pcb board buckle 9, heat-pipe radiator 10, cooling fin 11, power module cover board 12, measurement room cover plate 13, jack 14, plug 15, lead sealing
Installing port 16 and socket fixation hole 17, the electric energy meter casing 1 are flame-proof PVC material, and inside is separated by fire-proof plate 7, are divided into survey
Measure room and power supply room, the electric energy meter socket 2 is flame-proof PVC material, and bottom is set there are four connection jaws, be followed successively by firewire entrance,
Firewire outlet, zero curve entrance and zero curve outlet, conducting wire are inserted into connection jaws, are fixed conducting wire by connecting terminal, the plug
15 are fixedly mounted on electric energy meter socket 2, are cylindric copper joint, are electrically connected with the connection jaws of 2 bottom of electric energy meter socket, institute
It states electric energy meter casing 1 to be slidably connected on electric energy meter socket 2 by the sliding slot that 2 side wall of electric energy meter socket is arranged, plug 15 is inserted into
In jack 14, the jack 14 is cylindrical cavity, and inside is equipped with copper sheet and connecting terminal, and connecting terminal is welded on copper sheet top
End, copper sheet is contacted with plug 15 when plug 15 is inserted into, and jack 14, mutual inductor and output end are equipped with inside the power module 5, is passed through
The power module fixed column 6 that electric energy meter casing 1 is arranged in is fixed by bolts in electric energy meter casing 1, and circuit-under-test passes through jack 14
Incoming mutual inductor, converts by mutual inductor, and by output end input measurement module 4, the measurement module 4 is microprocessor, will
The collected voltage and current of power module 5 is handled through microprocessor, is converted into electric energy and will be obtained 3-31 subharmonic voltage
It is shown on display screen 3 with harmonic current, the display screen 3 is liquid crystal display, and the fire-proof plate 7 is antistatic PC plate, tool
There are isolation electrostatic interference and effect resistant to high temperature, the pcb board card slot 8 to be fixedly connected on the inside of electric energy meter casing 1, side is set
There is a card slot, the pcb board buckle 9 is connect by the cylindrical body that is fixedly connected on electric energy meter casing 1 and by guide post with cylindrical body
Buckle head composition, measurement module 4PCB plate one end insertion card slot in, the other end by pcb board buckle 9 fixations, the heat pipes
Radiator 10 is equipped with condensation end and evaporation ends, and condensation end heat pipe extends along the side wall of electric energy meter casing 1, and evaporation ends are copper lead
There are heat pipe in backing, inside, and the closing copper pipe that heat pipe consists of a tube shell, a liquid suction core and an end cover, copper pipe center is by liquid-sucking core and condensation
Liquid filling, the cooling fin 11 are aluminum alloy material, are welded on the condensation end of heat-pipe radiator 10, the power module cover board 12 is
Flame-proof PVC material, fixed by snap to be connected on electric energy meter casing 1, the measurement room cover plate 13 is antistatic PC plate, is passed through
The sliding slot being located on 1 side wall of electric energy meter casing is slidably connected, and is easy to remove and repair, and the lead sealing installing port 16 is located at electric energy meter case
Measurement room cover plate 13 can be lockked anti-electricity-theft, the socket fixation hole 17 by lead sealing by the top of body 1 and measurement room cover plate 13
For four bolts hole for being fixed with ammeter box being located on electric energy meter socket 2.
Preferably, it installs heat-conducting silica gel sheet between the measurement module 4 and heat-pipe radiator 10 additional, reduces 4 He of measurement module
Thermal contact resistance between 10 contact surface of heat-pipe radiator, heat dissipation effect is more preferable, and heat-conducting silica gel sheet can be very good filling contact surface
Gap, have the effect of damping sound-absorbing.
Preferably, it is sealed around the measuring chamber where the measurement module 4 with gasket, reduces electronical elements surface absorption
Dust, extend device longevity, reduce failure.
The working principle of the utility model is: electric energy meter socket 2 connects power supply line, electric energy meter casing 1 is directly inserted in electric energy
On table socket 2, power supply, which enters in power module 5, to be converted, and is transmitted in measurement module 4 by fire-proof plate 7, is passed through measurement module 4
Processing be shown on display screen 3, the measuring chamber of sealing reduces the dust of electronic component absorption, and due to sealing reduced heat dissipation
Performance is supplemented by heat-pipe radiator 10, and is greatly improved.
Although the utility model is described in detail with reference to the foregoing embodiments, come for those skilled in the art
Say, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic into
Row equivalent replacement, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on should all
It is included within the scope of protection of this utility model.
Claims (3)
1. a kind of ammeter with harmonic measurement function, including electric energy meter casing, electric energy meter socket, display screen, measurement module, electricity
Source block, fire-proof plate, pcb board card slot, pcb board buckle, heat-pipe radiator, cooling fin, power module cover board, is surveyed power module fixed column
Measure room cover plate, jack, plug, lead sealing installing port and socket fixation hole, which is characterized in that the electric energy meter casing is flame-proof PVC
Material, inside are separated by fire-proof plate, are divided into measuring chamber and power supply room, and the electric energy meter socket is flame-proof PVC material, and bottom is equipped with
Four connection jaws are followed successively by firewire entrance, firewire outlet, zero curve entrance and zero curve outlet, are equipped with connecting terminal inside connection jaws,
The plug is fixedly mounted on electric energy meter socket, is cylindric copper joint, is electrically connected with the connection jaws of electric energy meter socket bottom
It connects, the electric energy meter casing is slidably connected on electric energy meter socket by the sliding slot that electric energy meter socket side wall is arranged, plug insertion
In jack, the jack is cylindrical cavity, and inside is equipped with copper sheet and connecting terminal, and connecting terminal is welded on copper sheet top, copper
Piece and Plug contact, the power module inside is equipped with jack, mutual inductor and output end, by the power supply that electric energy meter casing is arranged in
Block fixed column is fixed by bolts in electric energy meter case body, and the measurement module is microprocessor, and the fire-proof plate is antistatic PC
Plate is fixedly connected in the middle part of electric energy meter casing, and the pcb board card slot is fixedly connected on the inside of electric energy meter casing, and side is equipped with
Card slot, the pcb board buckle is by the cylinder being fixedly connected on electric energy meter casing and the buckle head being connect by guide post with cylinder
One end of composition, measurement module pcb board is inserted into card slot, and the other end is buckled by pcb board and fixed, and the heat-pipe radiator is equipped with
Condensation end and evaporation ends, condensation end heat pipe extend along the side wall of electric energy meter casing, and evaporation ends are that inside is embedded with the copper of heat pipe
Thermally conductive sheet, heat pipe are the closing copper pipes consisted of a tube shell, a liquid suction core and an end cover, and copper pipe center is filled by liquid-sucking core and condensate liquid,
The cooling fin is aluminum alloy material, is welded on the condensation end of heat-pipe radiator, and the power module cover board is flame-proof PVC material,
It is fixedly connected on electric energy meter casing, the measurement room cover plate is antistatic PC plate, by being located on electric energy meter case body sidewall
Sliding slot is slidably connected, and the lead sealing installing port is located at electric energy meter casing and measures the top of room cover plate, can will be surveyed by lead sealing
It measures room cover plate to lock, the socket fixation hole is four bolts hole for fixing with ammeter box being located on electric energy meter socket.
2. the ammeter according to claim 1 with harmonic measurement function, which is characterized in that the measurement module and heat pipe
Install heat-conducting silica gel sheet between radiator additional.
3. the ammeter according to claim 1 with harmonic measurement function, which is characterized in where the measurement module
It is sealed around measuring chamber with gasket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820759698.9U CN208314040U (en) | 2018-05-22 | 2018-05-22 | A kind of ammeter with harmonic measurement function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820759698.9U CN208314040U (en) | 2018-05-22 | 2018-05-22 | A kind of ammeter with harmonic measurement function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208314040U true CN208314040U (en) | 2019-01-01 |
Family
ID=64715881
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820759698.9U Active CN208314040U (en) | 2018-05-22 | 2018-05-22 | A kind of ammeter with harmonic measurement function |
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| Country | Link |
|---|---|
| CN (1) | CN208314040U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110346664A (en) * | 2019-07-09 | 2019-10-18 | 江苏斯菲尔电气股份有限公司 | A kind of power monitoring equipment |
| CN110376409A (en) * | 2019-07-22 | 2019-10-25 | 姜杰 | A kind of ammeter box of integrated power circuit |
| CN110927422A (en) * | 2019-02-22 | 2020-03-27 | 宁波三星医疗电气股份有限公司 | Electric energy meter bottom shell and injection molding process of bottom shell |
| CN111766419A (en) * | 2020-06-30 | 2020-10-13 | 国网山东省电力公司莱阳市供电公司 | Electric power operation and inspection protection ammeter |
| CN112147565A (en) * | 2020-09-24 | 2020-12-29 | 国网山东省电力公司临沂供电公司 | Fool type electric energy meter on-site check meter |
-
2018
- 2018-05-22 CN CN201820759698.9U patent/CN208314040U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110927422A (en) * | 2019-02-22 | 2020-03-27 | 宁波三星医疗电气股份有限公司 | Electric energy meter bottom shell and injection molding process of bottom shell |
| CN110927422B (en) * | 2019-02-22 | 2021-11-02 | 宁波三星医疗电气股份有限公司 | Electric energy meter bottom shell and injection molding process of bottom shell |
| CN110346664A (en) * | 2019-07-09 | 2019-10-18 | 江苏斯菲尔电气股份有限公司 | A kind of power monitoring equipment |
| CN110376409A (en) * | 2019-07-22 | 2019-10-25 | 姜杰 | A kind of ammeter box of integrated power circuit |
| CN111766419A (en) * | 2020-06-30 | 2020-10-13 | 国网山东省电力公司莱阳市供电公司 | Electric power operation and inspection protection ammeter |
| CN112147565A (en) * | 2020-09-24 | 2020-12-29 | 国网山东省电力公司临沂供电公司 | Fool type electric energy meter on-site check meter |
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